Thanks for writing in! The Cornerstone will use the site url settings in Settings > General. The site URL and WordPress address URL must be the same as the WordPress dashboard URL to prevent this problem. Check the image below as an example:
If you cannot change the site url and WordPress address URL in the settings, you can force it by editing your
wp-config.php file of your staging site. Simply add the following line:
We would loved to know if this has work for you. Thank you.